Nibe SMO 20, part number 067224 official NIBE SMO 20 control module, a central controller used with NIBE air/water heat pumps.

The SMO 20 is a control module designed to manage a NIBE air/water heat pump system. It handles heating, cooling, and hot‑water production by coordinating the heat pump, circulation pump, and any auxiliary heat sources.

Key functions include:
•     System control for heating, cooling, and domestic hot water
•     Integration with one NIBE air/water heat pump and one circulation pump
•     User‑friendly display with intuitive menus
•     Remote monitoring via NIBE Uplink / my-uplink

Typically need the SMO 20:
•     You are replacing a failed controller in an existing NIBE system
•     You are installing a NIBE air/water heat pump without an integrated controller
•     You want advanced control, remote monitoring, or integration with additional heat sources

Confirmed Compatible Heat Pumps:
NIBE’s product the SMO 20 works with the following NIBE air/water heat pumps:
•     NIBE F2030 — all kw
•     NIBE F2040 — all kw
•     NIBE F2300 — all kw
These models operate using floating condensing, which the SMO 20 is designed to control.

Compatibility With Newer Heat Pumps (S‑Series)
The newer NIBE S2125 heat pump lists its compatible indoor/control modules, and SMO 20 is not included.
This means:
•     SMO 20 is not compatible with S‑series heat pumps